Add notice

capsulflask/templates/login.html

@@ -7,6 +7,7 @@
     <h1>LOGIN/REGISTER</h1>
   </div>
   <p>If you do not already have an account, one will be made for you.</p>
+  <p>NOTICE: we are currently at capacity. No new Capsuls can be created. This situation will be resolved soon.</p>
   <form method="post" class="half-margin">
     <div class="row wrap">
       <label for="email">Email Address</label>